Ibe, M. D., Acelajado, M. J., & Golla, E. F. (1994). High school mathematics 1: Concepts and operations (2nd ed.). DIWA Learning Systems.
Citace podle Chicago (17th ed.)Ibe, Milagros D., Maxima J. Acelajado, a Evangeline F. Golla. High School Mathematics 1: Concepts and Operations. 2nd ed. Makati: DIWA Learning Systems, 1994.
Citace podle MLA (9th ed.)Ibe, Milagros D., et al. High School Mathematics 1: Concepts and Operations. 2nd ed. DIWA Learning Systems, 1994.
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